gitlab-org--gitlab-foss/db/migrate/20170314082049_create_system_note_metadata.rb

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# rubocop:disable Migration/Timestamps
class CreateSystemNoteMetadata < ActiveRecord::Migration[4.2]
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include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
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create_table :system_note_metadata do |t|
t.references :note, null: false
t.integer :commit_count
t.string :action
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t.timestamps null: false
end
add_concurrent_foreign_key :system_note_metadata, :notes, column: :note_id
end
def down
drop_table :system_note_metadata
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end
end